A brief biography of Helen Kingsbury Zirkle (1898 – 1976)

My interest in Chinese stamps has focused for the past few years on Manchukuo. During this time I have collected a number of books that have aided my research and one of the most useful has been a book with the catchy title “The Postage Stamps and Commemorative Cancellations of Manchoukuo/Manshukoku, Manchou Tikuo, Manchukuo”, written […]

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